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Finding the Fourth Proportional to 316,792.20, 475,268.79 and 92,152.62

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Solution

The fourth proportional to 316,792.20, 475,268.79 and 92,152.62 is: 138,252.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,792.20 : 475,268.79 = 92,152.62 : x
  2. Step 2: Convert to fraction form
    316,792.20/475,268.79 = 92,152.62/x
  3. Step 3: Cross multiply
    316,792.20x = 475,268.79 × 92,152.62
  4. Step 4: Simplify right side
    316,792.20x = 43,797,264,202.73
  5. Step 5: Solve for x
    x = 43,797,264,202.73/316,792.20
  6. Step 6: Final answer
    x = 138,252.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.